|[AMRadio] Vailant output|
macklinbob at gmail.com
Tue Jul 8 11:54:42 EDT 2014
Remember that when these transmitters we made power was defined as input to
the final, not RF output. And if you had 100W input you would be lucky to
get 60W output.
Are you sure you have enough grid drive on 160 and 80?
"Real Radios Glow In The Dark"
----- Original Message -----
From: "wb2ahk via AMRadio" <amradio at mailman.qth.net>
To: <amradio at mailman.qth.net>
Sent: Tuesday, July 08, 2014 8:46 AM
Subject: [AMRadio] Vailant output
> Ok guys,
> I first need to once again thank Dan WB5AFY for sending me the
> Bandswitch i needed for my Valiant. He sent it N/C including shipping.
> please applaud this fine Amateur for whom the fraternity should be so
> Afterwoods, I placed an ad here mentioning that i had parts for the
> two which i am parting out and was able to help a happy ham with the top
> cabinet cover, n/c. I have other Viking two parts, So if anyone has
> needs send me an email.
> Next, I wonder if anyone can assist me with the Valiant i am working on.
> The Bandswitch transplant went perfect and the Valiant is now working on
> all bands again . The question is , the power output varies
> from band to band. The transmitter is feeding a Cantenna, so its 50
> on all bands. Is this a normal condition? I think not.
> On 40 i get easily the 150 watts output but on 75 and 160 i get 100
> , all at the recommended 330 mills plate current. Would it be that the
> taps on the Final tank coil are not soldered in the right place???.
> P.S. On 160 and 75 i can get the 150 watts but the plate current is
> Chet brown, Wb2ahk
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